Heating apparatus.



W. J. HAYNES.

HEATING APPARATUS.

APPLICATION FILED IULY l 1915. 'fk Y 1,284,893. Patented Nov. 12, 1918. 3 SHEETS-SHEE |-v r n ma W. J. HAYNES.

HEATING APPARATUS.

APPLICATION FILED JULY l, 1915.

Patented Nov. 12, 1918.

3 SHEETS-SHEEI Z- W. l. HAYNES.

HEATING APPARATUS.

APvucATloN FILED iuLv ms.'

1,28%893 Patented Nov. 12, 1918;

3 SHEETS--SHEEI 3.

iii-EWE@ STATES PATENT @FFE WILLIAM J. HAYNES OF ST. LOUIS, MISSOURI, ASSIGNOR TO HAYNES-LANGENBERG MANUFACTURING COMPANY, OF ST. LOUIS, MISSOURI, A CORPORATION OF MIS- SOUBI.

HEATING APPARATUS.

Specification of Letters Patent.

Patented Nov. 12, 1918.

To all whom t may concern:

Beit known` that I, VILLIAM J. HAYNES, a citizen of the United States, residing at the city of St. Louis and State of Missouri, have invented a new and usefull Heating Apparatus, of which the following is a speciication.

This invention relates to improvements in heating apparatus and consists in the novel construction hereinafter shown.

An object of the invention is to provide a heating apparatus including in combination means for heating a supply of air and means for heating a supply of water including provision for promoting the fuel combustion.

Another object of the invention is to provide a heating apparatus including primary andY secondary fuel supporting grates. with provision for effecting a down-draft passage of the products of combustion from the primary grate structure over the secondary grate structure whereby substantiallyv complete combustion is effected. in combination with means for converting the apparatus at the will 0f the operator so as to cause a direct or 11p-draft passage of the products of combustion. v

Another object'of the invention is to embody in an apparatus of the class described a novel means of supplying and discharging the water supply to and from the heating p unit therefor. s

Having in view-V the objects specifically mentioned and'also additional advantages attainable by the construction of the present invention which will beapparent to vthose skilled in the art without specific mention, I have combined, designed and arrangeda heating apparatus as hereinafter disclosed reference being madeto the accompanying drawings in whichl Figure 1 is a front `elevation of an apparatus embodying the invention with the outer shell creasing broken away.

Fig. 2 is' a rear elevation of the same structure.

Fig. 3 is a cross section through the apparatus taken substantially on the line r6 3 of Fig.1. Y I Y Fig. LLis also a cross section throughthe apparatus taken substantially on the line 4-4of Fig.,1.' Y

vFig. 5 is. aview similarito 1 with portions of the heatingy drum and associated Y parts being shown'. in section. E

Fig. 6 is a bottom plan view of the primary grate structure, and.

Fig. 7 is a cross section through the primary grate structure.

In the embodiment of the invention illustrated in the drawing the outer shell or casing l of the apparatus is mounted upon a base 2. A cylindrical metal shell or drum 3 is supported by the base 2 and is incased within the casing 1. A dome 4 is provided at the top of the drum 3. Aflining or wall d6 of fire brick or other refractory material is provided. The lining 6 does Vnot extend throughout the full length of the drum as it is only necessary to line such portion thereof as constitutes the fire pot or combustion chamber. y

Aprimary grate structure 7 comprising a hollow casting of the construction shown particularly in Figs. 6 and 7 isy supported transversely of the fire pot substantially intermediate of the same being set into recesses in thelining 6 in the manner clearly shown in Fig. 4 of the drawing. lThe primary gratestructure y7 is preferably constructed as shownand includes a series of parallel hollow grate bars 8 integrally united at their ends with segmental end members 9, therev being a free interior communication between the members 8 and 91. as is clearly shown by the cross sectional view thereof illustrated in Fig. 7. It will be observed that the grate bars 8 are formed with downwardly inclined side walls, thus the passage- ,ways between them are smaller at the top than at the bottom. This construction permits the ready passage of masses of the fuel through the grate structure and prevents the grate from becoming clogged. As the grate is stationary ther agitation. of the fuel is effected by a poker when it is desired to force the passage of fuel from the primary grate structure tothe secondary grate structure therebelow. However, even during the processv of normal combustion and without The primary grate structure divides the fire pot into an upper combustion chamber A and al lower combustion chamber B. .access p being had to thechambe'r A throughv a irev4 l any artiiicial agitation there will beupassr-lgev box liner casting 10 provided with a damper door 11.

` A secondary grate structure comprises a series of rockable bars 12 of known arrangement and construction. The secondary grate structure constitutes the bottom of the .chamber B. A fire box liner 13, equipped with a fire door 14, provides accessnto the chamber B; and an ash pit opening, provided with an ash pit door 15,-provides access to the ash pit for the `purpose of removing the accumulated products therefrom, said ash pity door being equipped with a damper 16 for the admission of air when required. A radiator 17 is supported adjacent -to the upper portionof the drum or case 3 and extends substantially around one half the circumference thereof. A conduit 18 connected into the drum 3 and the radiator 17 provides a .passage between the upper lpart of the drum and the radiator. yThepassage 18 is controlled by a damper 19 mounted upon a rod or shaft 20 'which extends outwardly through the casing 1 at oneend and'is provided with a handle 21 whereby the damper 19 may be manipulated for opening or closing the passage between the upper portion of the drum and the radiator. A vdischarge flue 22 leads from the radiator. The radiator is also provided with removable cleanout caps 23 whereby access tothe interior thereof may be obtained for the purpose of removing therefrom the usual accumulated deposits. y

A series of conduits 24 leading from the walls of the chamber yB extend into the lower portion of the radiator 17.

In the down-draft operation of the apparatus the products of combustion from'the burning bed of carbonaceous material supported by the primary grate structure lpass downwardly into the chamber B y through a heated zone created by the combustion of the fuel supported by the secondary grate structure. The primary combustion, supported by air admitted through damper 1.1, with damper 19 closed, that is effected in the chamber A is insuflicient'tofully reduce the lvolatile combustible products7V the same,

therefore, carried down into the chamber B being `.converted as they pass therethrough into fixed gases substantially free fromcombustible material. Moreover, the .secondary grate structure is continually Vvfed bythe downward passage of the ysolid combustible material from the primary 'grate structure "wherevthe combustion of the same 1s completed. Thus substantially all of the heat units from` the fuel'are utilized, eiiecting'a large saving of fuel in producing av given vamount of heat energy. Moreover, as substantially complete combustion is effected lin Vthe chamber B ofthe volatileproducts passing thereinto from the .upper (chamber A, the'gases passing from vthe chamber B Athrough the conduits 24 into the radiator 17 'gto the ash pit is open to lenable the ashes to be removed. By opening the damper 19 an up-draft is established, thus preventing the fumes, gasesfand smoke from entering the room 'while the lower door is open.

The connections `for supplying and -discharging the water'to andvfrom theinterior of the primary `grate structure includes a supply pipev25 connected directly `into the primary grate structureand leading 'j from any suitable source of 'continuous supply at theopposite vside and also directly connected into the 'grate structure, is kajservice pipe 26 leading to any suitable source, for instance,

a circulatory hot water radiator system. lA

return passage 27 is connected into' the same end of the gratestructurelwith the `lpipe 26. An outlet pipe 28 is connected into thegrate structure adjacent to the supply `pipe 25.

.The'pipe 28 maybe connected into any distributing system, for. instance,finto` a `system `for hot water supply to a building. n

In the embodiment shown I have included -a faucet controlled passage 29 forwithdrawing the waterfrom thejsystem for 'the purpose of 'draining '-or cleaning out the same or"for supplying hot waterat this point. lIt

will be observed that by utilizing the `Connections just described a continuous circulation Ythrough, .the grate structure will be maintained, which, inl addition toisupplying the'hot water heating system, will also eiect a cooling 1of the grate -preventing the -same from being burned. A thermometer 30 may be connected into the water j system lfor ascertaining the temperature of the'water.

1t will of course be understo,odthat the "distributionpf the heat may be `eifected in the usual 'manner by aplurality `of service k conduits connected `into Vthe outer casing in 'the usual manner.

I am aware that numerous changes in 'de- Atails .of constructionmay be made without `self,ftherefore, tof'the exact structure shown and 'described but wh'at'I claim and desire to secure .by Letters Patent is: y

A heating apparatus comprising a drum,

'a 'secondary grate arranged in and'near the lower end of the drum, a 'primary grate iso arranged above the secondary grate, a combustion chamber between the grates, a combustion chamber above the primary grate, a radiator about the drum and spaced therefrom, a damper controlled conduit leading from the combustion chamber above the primary grate to the radiator, and a series of radiating lues arranged about the drum and leading at their upper ends into the 10 radiator, the lower ends of the ues opening into the combustion chamber between the grates, said flue openings into the combustlon chamber being in annular spaced relation.

In witness whereof I have signed this specication in the presence of two subscrib- 15 Copies of this patent may be obtained for ve cents each, by addressing the Gommissioner of Patents, Washington, D. G. 

